Klopp was said to be keen on taking the attacker, 26, from Shakhtar Donetsk during last month's transfer window. But Chinese Super League outfit Jiangsu Suning stunned football by snapping up the talented Brazilian for £38m.
Now ex-Denmark midfielder Molby has backed Klopp for not splashing the cash on a player who he claims lacks ambition.
He said: "He ended up in China, what does that say about the player's ambition?